Herbert Dunkley collection
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Herbert Dunkley document collection
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Herbert Dunkley historical notes
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Herbert Dunkley historical notes on waterways
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Herbert Dunkley historical notes on general waterways
BW197/5/1/1/1/9
"Levels of canal between Digbeth Junction, Birmingham and the Thames"
List of pounds with height above Ordnance datum in feet
mid 20th century
BW197/5/1/1/1/9
1 sheet